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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iceberg;

public enum NullOrder {
  NULLS_FIRST, NULLS_LAST;

  @Override
  public String toString() {
    switch (this) {
      case NULLS_FIRST:
        return "NULLS FIRST";
      case NULLS_LAST:
        return "NULLS LAST";
      default:
        throw new IllegalArgumentException("Unexpected null order: " + this);
    }
  }
}